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sparks1973
My point was eng...keep it on a TT...RCD in place of the old voltage trip....we have done this before ...christ...we even kept the BS3036 board as it was good for continued service)....so then you have your fault protection dont you.....and it hasn`t lined the pockets of the DNO!!....Don't know, but when you follow-up with a statement like ''just RCD the whole install'' it all depends how the reader construes your meaning.